Overview
The STM8AF52A9TAY is an 8-bit microcontroller designed by STMicroelectronics, specifically tailored for automotive applications. This device is part of the STM8A family, known for its high performance, robustness, and cost-effectiveness. The STM8AF52A9TAY features an advanced STM8A core with Harvard architecture and a 3-stage pipeline, operating at a maximum CPU frequency of 24 MHz. It offers a significant amount of non-volatile memory, including up to 128 Kbytes of Flash program memory and 2 Kbytes of true data EEPROM. The microcontroller is AEC-Q10x qualified, ensuring compliance with stringent automotive industry standards.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | STM8A, 8-bit |
| Maximum CPU Frequency | 24 MHz |
| Program Memory | Up to 128 Kbyte Flash; data retention 20 years at 55 °C |
| Data Memory | Up to 2 Kbyte true data EEPROM; endurance 300 k cycles |
| RAM | 6 Kbyte |
| Operating Voltage | 3.3 V to 5.5 V |
| Operating Temperature | -40 °C to 85 °C |
| Package | LQFP 64 (10x10x1.4 mm) |
| Number of I/O Pins | Up to 52 |
| Communication Interfaces | CAN 2.0B, LIN 2.2, USART, SPI, I²C |
| Analog to Digital Converter (ADC) | 10-bit resolution, up to 16 multiplexed channels |
Key Features
- Advanced Core: Features an STM8A core with Harvard architecture and a 3-stage pipeline, ensuring high performance.
- Memory and Storage: Includes up to 128 Kbytes of Flash program memory, 2 Kbytes of true data EEPROM, and 6 Kbytes of RAM.
- Communication Interfaces: Supports CAN 2.0B, LIN 2.2, USART, SPI, and I²C interfaces.
- Analog to Digital Converter (ADC): 10-bit resolution with up to 16 multiplexed channels.
- Timers and Counters: Includes general-purpose timers, advanced control timers, and auto-wakeup timers.
- Power Management: Features low-power modes, clock security system, and internal oscillators.
- Robust I/O Design: Highly robust I/Os immune against current injection.
- AEC-Q10x Qualified: Complies with automotive industry standards for reliability and performance.
Applications
The STM8AF52A9TAY is designed for various automotive applications, including:
- Automotive control systems
- Body modules
- Other automotive electronics
Its robust design, high performance, and comprehensive connectivity options make it suitable for complex automotive applications requiring high reliability and longevity.
Q & A
- What is the maximum CPU frequency of the STM8AF52A9TAY?
The maximum CPU frequency is 24 MHz.
- What type of memory does the STM8AF52A9TAY have?
The device has up to 128 Kbytes of Flash program memory, 2 Kbytes of true data EEPROM, and 6 Kbytes of RAM.
- What communication interfaces are supported by the STM8AF52A9TAY?
The device supports CAN 2.0B, LIN 2.2, USART, SPI, and I²C interfaces.
- What is the operating temperature range of the STM8AF52A9TAY?
The operating temperature range is -40 °C to 85 °C.
- Is the STM8AF52A9TAY AEC-Q10x qualified?
Yes, the device is AEC-Q10x qualified, ensuring compliance with automotive industry standards.
- What is the package type of the STM8AF52A9TAY?
The device is packaged in a 64-pin LQFP (10x10x1.4 mm).
- How many I/O pins does the STM8AF52A9TAY have?
The device has up to 52 I/O pins.
- What is the resolution of the Analog to Digital Converter (ADC) in the STM8AF52A9TAY?
The ADC has a 10-bit resolution with up to 16 multiplexed channels.
- Does the STM8AF52A9TAY have any power-saving features?
Yes, it features low-power modes, a clock security system, and internal oscillators to manage power efficiently.
- What are some typical applications of the STM8AF52A9TAY?
Typical applications include automotive control systems, body modules, and other automotive electronics.
